Available to hire
I’m a versatile Senior Full Stack Software Engineer with 6+ years of experience designing, developing, and deploying cross-platform mobile and web applications, and 3 years in technical leadership. I specialize in C#, .NET, .NET MAUI, RESTful APIs, microservices, MVVM architecture, and CI/CD, delivering secure, scalable solutions for startups, mid-size companies, and enterprise clients across healthcare, telematics, gaming, and technology sectors. I’m committed to clean code, performance optimization, data privacy, and delivering outcomes through Agile practices and collaborative leadership.
I enjoy solving complex problems, migrating legacy apps to modern stacks, and guiding product decisions with clients. I thrive in distributed teams, value transparent communication, and aim to build maintainable software that users love while meeting business goals.
Skills
See more
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Freelance Senior .NET Developer at Self-Employed
August 1, 2020 - PresentDeveloped and maintained full-stack, cross-platform mobile and web applications for iOS, Android, and Windows using .NET MAUI, Xamarin.Forms, and ASP.NET Core; led migration from Xamarin to .NET MAUI to improve performance and maintainability; implemented secure RESTful APIs, microservices, and CI/CD pipelines with Azure DevOps and GitHub Actions; collaborated with clients to align solutions with business goals.
Senior .NET SDK Developer at Sentry
March 1, 2025 - September 12, 2025Contributed to the open-source Sentry .NET SDK by adding features, optimizing performance, and fixing bugs to support developer integrations; authored unit tests and performed code reviews to maintain quality.
Lead Software Engineer at ThriLink
April 1, 2025 - September 12, 2025Directed the development of a gamified task management application, implementing engaging UI elements, optimizing local data operations, and architecting the solution with .NET MAUI; deployed backend services on Microsoft Azure and coordinated with cross-functional teams.
Senior .NET Developer at Lightning Workgroup
September 1, 2022 - PresentBuilt and managed a healthcare application serving a large North American user base; integrated biometric authentication, secure data management, regulatory compliance for data privacy, and optimized performance; maintained RESTful APIs and CI/CD pipelines; performed .NET MAUI migrations.
NET / Xamarin Developer at HealthPoint Plus
August 1, 2022 - September 12, 2025Maintained and redesigned a medical appointment app with Bluetooth integration; oversaw test deployments, App Store publishing, and bug fixes; implemented RESTful API calls and ongoing API maintenance.
Founder & Lead Developer at GamHub
August 1, 2020 - PresentEstablished a cross-platform gaming news app using Xamarin.Forms and .NET MAUI; built a scalable Node.js backend with RESTful APIs, OAuth authentication, and microservices on a Linux server; oversaw the product lifecycle, including app store releases, community engagement, and an ad-free experience; migrated from Xamarin Forms to .NET MAUI; built and maintained an administrator dashboard in React and TypeScript.
Web Developer at OPTIMUM CIT (Part-time)
July 1, 2020 - September 12, 2025Supported development and maintenance of web-based optician management software using PHP, jQuery, and PostgreSQL.
C# .NET Developer at OPTIMUM CIT
August 1, 2018 - September 12, 2025Constructed a statistical dashboard utilizing C#, WinForms, .NET, Git, and WPF.
Intern .NET Developer at OPTIMUM CIT (Internship)
July 1, 2019 - September 12, 2025Assisted in .NET development tasks using C#, WinForms, Git, WPF, and MVC patterns.
Freelance Senior .NET Developer at Self-Employed / Remote
August 1, 2020 - PresentDeveloped and maintained full-stack, cross-platform mobile applications for iOS, Android, and Windows using .NET MAUI, Xamarin.Forms, and ASP.NET Core. Integrated secure features including RESTful APIs, microservices, biometric authentication, GPS tracking, geofencing, and OpenAI GPT-4o. Managed CI/CD pipelines with Azure DevOps and GitHub Actions, automating builds, tests, and deployments to App Store and Google Play. Led migrations of legacy Xamarin applications to .NET MAUI and collaborated with clients to align solutions with business objectives.
Senior .NET SDK Developer at Sentry
March 1, 2025 - September 12, 2025Contributed to the open-source Sentry .NET SDK by adding features, optimizing performance, and fixing bugs to support developer integrations. Created unit tests and performed code reviews to uphold code quality and reliability.
Lead Software Engineer at ThriLink
April 1, 2025 - September 12, 2025Directed development of a gamified task management application, building engaging UI elements, and optimizing local database operations. Architected the solution with .NET MAUI and deployed backend services on Microsoft Azure.
Senior .NET Developer at Lightning Workgroup
September 1, 2022 - PresentBuilt and managed a healthcare application for a substantial North American user base, incorporating biometric authentication and secure data management. Ensured regulatory compliance for data privacy and refined performance for smooth user interactions. Maintained RESTful APIs and handled CI/CD management, including MAUI migrations.
NET / Xamarin Developer at HealthPoint Plus
August 1, 2022 - September 12, 2025Maintained and redesigned a medical appointment application with Bluetooth integration, attracting a notable increase in users. Oversaw test deployments, App Store publishing, and bug resolutions. Implemented RESTful API calls and maintained APIs.
Founder & Lead Developer at GamHub
August 1, 2020 - PresentCreated a cross-platform gaming news mobile application using Xamarin.Forms and .NET MAUI, handling UI/UX design and backend development. Built a scalable Node.js backend with RESTful APIs, OAuth authentication, and microservices on a Linux server. Oversaw the product lifecycle, including app store releases and community engagement, and migrated from Xamarin Forms to .NET MAUI. Built and maintained an administrator dashboard in React and TypeScript.
Web Developer at OPTIMUM CIT (Part-time)
July 1, 2020 - September 12, 2025Supported development and maintenance of web-based optician management software using PHP, jQuery, and PostgreSQL.
C# .NET Developer at OPTIMUM CIT
August 1, 2018 - September 12, 2025Constructed a statistical dashboard utilized by a large number of opticians across Europe, employing C#, WinForms, .NET, Git, and WPF.
Intern .NET Developer at OPTIMUM CIT (Internship)
July 1, 2019 - September 12, 2025Assisted in .NET development tasks using C#, WinForms, Git, WPF, and MVC patterns.
Education
Bachelor of Science, Computer Science at Institut G4
January 11, 2030 - January 1, 2019Bachelor of Science, Computer Science at Institut G4, Marseille, France
January 11, 2030 - September 12, 2025Qualifications
Introduction to Observability
April 1, 2025 - September 12, 2025Datadog 101: Developer
April 1, 2025 - September 12, 2025Cert Prep: Unity Certified
January 1, 2024 - September 12, 2025Associate Game Developer Scripting with C#
January 11, 2030 - September 12, 2025Introduction to Observability
April 1, 2025 - September 12, 2025Datadog 101: Developer
April 1, 2025 - September 12, 2025Cert Prep: Unity Certified
January 1, 2024 - September 12, 2025Industry Experience
Healthcare, Computers & Electronics, Telecommunications, Gaming, Software & Internet
Skills
See more
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer in Galway today.